If I recall correctly, this waistcoat was labelled as ‘ small, medium ‘ etc. It was easy to cross check these notes with the size chart. I dont recall the label ‘ slim fit ‘ which was probably in the original advert for the suit. It is a slim fit. That’s ok for me as I have others which are similar , but some may have to return it. It is so important to provide full and accurate sizes to prevent returns. This problem exists with other retailers as well. I

Fit perfectly and contrasted well with the navy suit I bought at same time.

Good fit next day delivery on mainland ( perfect) - don’t exist on Isle of Wight - had it delivered to daughter as she came down next day